吉林大学学报(地球科学版) ›› 2022, Vol. 52 ›› Issue (6): 2005-2013.doi: 10.13278/j.cnki.jjuese.20210195

• 地质工程与环境工程 • 上一篇    下一篇

适宜盐渍土地基的二次抛物线形渠道断面智能优化设计

杨雪1, 刘红梅1, 宁作君1, 严招川2, 朱和峰1    

  1. 1.喀什大学土木工程学院,新疆喀什844006
    2.新疆峻特设计工程有限公司,新疆阿克苏843000
  • 收稿日期:2021-06-08 出版日期:2022-11-26 发布日期:2022-12-27
  • 基金资助:
    新疆维吾尔自治区自然科学基金项目(2021D01B10);喀什地区应用技术研究与开发计划项目(KS2020022);喀什大学校内课题(20202701)

Intelligent Optimization Design of Quadratic Parabolic Channel Section Suitable for Saline Soil Foundation

Yang Xue1, Liu Hongmei1, Ning Zuojun1, Yan Zhaochuan2, Zhu Hefeng1   

  1. 1. School of Civil Engineering, Kashi University, Kashi 844006, Xinjiang,China
    2. Xinjiang Junte Design Engineering Co., Ltd., Aksu 843000, Xinjiang,China
  • Received:2021-06-08 Online:2022-11-26 Published:2022-12-27
  • Supported by:
    the Natural Science Foundation of Xinjiang Uygur Autonomous Region (2021D01B10), the Application Technology Research and Development Plan Project of Kashi Area (KS2020022) and the Project of Kashi University (20202701) 

摘要: 新疆维吾尔自治区南疆地区盐渍化程度严重,盐渍土地基的冻胀、盐胀破坏对渠道边坡稳定造成极大危害。为了避免采用迭代计算法进行二次抛物线形渠道断面优化设计存在计算量冗杂、累计误差大及计算精度低等问题,建立了基于人工原子算法的盐渍土地基抛物线形渠道断面优化设计数学模型。以二次抛物线形状参数为自变量,在已知渠道底坡和糙率条件下,以设计流速和宽深比为约束条件,根据中小型渠道水力最佳断面与实用经济断面的倍比系数,采用人工原子算法优化形状参数,以确定渠道实用经济断面。将该数学模型应用于新疆塔里木灌区小四支渠,验证其有效性。结果表明:与试算法相比,该方法在中小渠道的断面优化设计中,计算流量误差仅为试算法误差的0.85%;采用该方法得到的抛物线形优化断面混凝土工程量较原矩形断面减少3.34%。

关键词: 渠道, 二次抛物线, 人工原子算法, 水力最佳断面, 实用经济断面

Abstract: The degree of salinization is serious in the south of Xinjiang Uygur Autonomous Region. Due to the frost heaving and salt heaving damage of saline soil foundation, the stability of channel slope in irrigation area is greatly damaged. A mathematical model of optimizing channels with quadratic parabolic cross section on saline soil was established using artificial atomic algorithm to avoid the problems of redundant calculation, large cumulative error and low precision by using iterative calculation method. The mathematical model used quadratic parabolic shape parameters as independent variables and was given channel bottom slope and roughness. According to the ratio coefficient between the optimal hydraulic section and the quadratic parabolic practical economic section of medium and small channels, the shape parameters were optimized by this algorithm to determine the practical economic section of the channel. The mathematical model was applied to Xiaosi branch canal in Tarim irrigation area of Xinjiang to verify the validity. Compared to the trial algorithm, this method was more suitable for the section optimization design of small and medium-sized channels. The calculated flow error was only 0.85% of the error of the trial algorithm. The results showed that the concrete quantity of parabola shaped optimization section was reduced by 3.34%.

Key words: channel, quadratic parabola, artificial atomic algorithm, hydraulic optimal section, practical economic section

中图分类号: 

  • TV911
[1] 石梁宏, 李双洋. 寒区渠基黏土热参数最优概率分布[J]. 吉林大学学报(地球科学版), 2021, 51(2): 473-482.
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